Shake Shack font here refers to the font used in the logo of Shake Shack, which is a restaurant chain serving hamburgers, hot dogs, French fries etc., founded by Danny Meyer in 2004.
The font used for the Shake Shack logo is probably Neutraface Text Demi produced by House Industries. The typeface is a commercial one and you can view more details about it here.
Download Neutraface Font
The Neutraface font identified above is not available for free, please follow the link above and purchase the font. Meanwhile, you can take a look at our collection of fonts for cars, pop music and apparel as well as round-ups of new & fresh fonts around the web.